The Pig Problem - The Farm / Radio City Music Hall. When the Pig leaves the farm to join the opera, Peg and Cat realize they can't make it without him. Primary Content: Using a calendar Secondary Content: Comparing amounts. The Mariachi Problem - Mexico City. Cat hires a 7-piece Mariachi band to serenade his true love, Rosana. Primary Content: Relative positions - above, below, in front of, behind, next to Secondary Content: Counting to 9.